48．D 49．A 50． A
48．D根据JIM的答复I’d love a game of tennis. “我喜欢网球可知答案 49．A 根据 给Kate的答复I can’t dance very well, but I’d love to go to the dance with you. 可知汤姆要和凯特一起跳舞
50．A根据吉姆给苏珊的答复I’ll be free and I can come to your birthday party on August 5, Saturday evening.可知答案为A